Unknown device in device manager, code is acpivpc2004. In the value section underneath, make a note of the information shown there and then head over to. How to identify and install unknown device drivers on. Youll find unknown devices and other nonfunctioning devices under other devices. Windows 7 unknown device compal embedded system control 0. The lenovo driver download page for this notebook has an acpi driver and the lenovo utility for windows 10 64 bit but there is no lenovo energy management download.
How to identify and install unknown device drivers on windows how to find unknown device drivers on windows 7810 sub link s. Unknown device in the device manager, code is acpivpc2004 unknown device in the device manager, code is acpivpc2004 unknown device in the device manager, code is acpivpc2004. Select the details tab and in the property dropdown list, choose hardware ids. How to identify and install unknown device drivers on windows how to find unknown device drivers on windows 7 810 sub link s. The unknown device hardware id is acpi msft0101 which indicates the security chip tpm setting issue. If your driver is not listed and you know the model name or number of your lenovo device, you can use it to search our driver archive for your lenovo device model. If that wasnt the problem you can try running unknown device indentifier to see if that utility can indentify the unknown device.
It is a uk ideapad 31015isk 80m with an intel i3, 8gb ram. The device manager can also be accessed from the control panel or with a search from your start menu or start screen. Lenovo acpi device driver for windows 7, xp thinkcentre. Download lenovo unknown laptop drivers for windows 7 x64. How to find drivers for unknown devices in the device manager. Lenovo drivers for this notebook are all for windows 10 only except for maybe two of the drivers on the website. Simply type the model name andor number into the search box and click the search button. Install lenovo unknown laptop drivers for windows 7 x64, or download driverpack solution software for automatic drivers intallation and update. If not, the one key recovery button maybe triggering that exclamation mark in device manager since there is no driver to tell windows what to do with that button.